1431-79-4Relevant academic research and scientific papers
A convenient and useful method of preparation of α-bromo enones from the corresponding enones using organic ammonium tribromide (OATB)
Bose, Gopal,Bujar Barua, Pankaj M.,Chaudhuri, Mihir K.,Kalita, Dipak,Khan, Abu T.
, p. 290 - 291 (2001)
Various acyclic α-bromo enones 2 as well as cyclic α-bromo enones 4 can be prepared from the corresponding acyclic enones 1 and cyclic enones 3 respectively, in a one-pot procedure by employing organic ammonium tribromide, such as cetyltrimethylammonium t
Cascade palladium-catalyzed direct intramolecular arylation/alkene isomerization sequences: Synthesis of indoles and benzofurans
Yagoubi, Myriam,Cruz, Ana C. F.,Nichols, Paula L.,Elliott, Richard L.,Willis, Michael C.
supporting information; experimental part, p. 7958 - 7962 (2011/01/11)
One route, two cycles: A palladium-catalyzed intramolecular direct arylation reaction combined with an isomerization step provided a straightforward synthetic route to both indoles and benzofurans (see scheme). Isolation and functionalization of intermedi
A remarkably simple one-step procedure for the preparation of α-bromo-α,β-unsaturated carbonyl compounds
Jyothi, Divya,Hariprasad
experimental part, p. 2309 - 2311 (2009/12/08)
An easy and convenient one-step procedure for the conversion of α,β-unsaturated carbonyl compounds into their corresponding bromo-enones using NBS-Et3N·3HBr in the presence of potassium carbonate in dichloromethane at 0°C to room temperature under very mild conditions in high yields and significantly shorter times, is reported. Georg Thieme Verlag Stuttgart.
A convenient halogenation of α,β-unsaturated carbonyl compounds with OXONE and hydrohalic acid (HBr,HCl)
Kim, Kyoung-Mahn,Park, In-Hwan
, p. 2641 - 2644 (2007/10/03)
Mixtures of OXONE and hydrobromic acid or hydrochloric acid afford solutions of bromine or chlorine, respectively, α-Bromo- or α-chloro-α,β-unsaturated carbonyl compounds were prepared by addition of hydrobromic acid or hydrochloric acid to the mixture of
The influence of the 5-methyl group in bacteriorhodopsin
Groesbeeck, M.,Vries, E. F. J. de,Berden, J. A.,Lugtenburg, J.
, p. 303 - 308 (2007/10/02)
All-E-5-bromo-5-demethylretinal was prepared in 6percent yield starting from 4,4-dimethyl-2-cyclohexenone via 2-bromo-6,6-dimethyl-1-cyclohexenecarboxaldehyde.The crucial step in the preparation of the intermediate is a 2,3 Wittig rearrangement. 5-Bromo-5
